二 价键理论 ( Valence Bond Theory ) 1927年,Heitler 和 London 用量子力学处理氢气分子 H2 ,解决了两个氢原子之间的化学键的本质问题,使共价键理论从经典的 Lewis 理论发展到今天的现代共价键理论。;从图中可以看出,r = r 0 时, V 值最小,为 V = -D ( D 0 ,- D 0 ) ,; H2 中的化学键,...
It focuses on how the of the dissociated atoms combine to give individual chemical bonds when a molecule is formed. In contrast, molecular orbital theory has orbitals that cover the whole molecule.Valence bond theoryValence
在化学领域中，valence bond theory指的是“价键理论”。价键理论是一种关于化学键的基本理论。是海特勒和伦敦于1927年用量子力学处理氢分子所得结果的推广和发展。基本要点是：（1）若原子A和原子B各有一未成对电子且自旋相反，则可互相配对而构成共价单键，如原子A和原子B各有两个或三个未成对电...
No explanation for the colour exhibited by coordination compounds. Also, Check ⇒Crystal Field Theory Solved Example Question: The spin only magnetic moment of [MnBr4]2-is 5.9BM. Predict the geometry of the complex ion. Solution: Since the coordination number of Mn2+ ion in the complex ion...
valence bond structure 价键结构 相似单词 valence n. 原子价,化合价 Valence pla.瓦朗斯{法国} bond n. 1. 捆绑物,绳索 2.[bonds]枷锁 3. 约束力,联系 4. 公债 5. 契约,合同,票据,保险单 6. 保证金 7.【商】缴税协议 8.【建】(砖,木板等)砌合 theory n.[C] 1.理论;学理,原理 2.学说...
价键理论(Valen..1927年, Heitler 和 London 用量子力学处理氢气分子H2, 解决了两个氢原子之间化学键的本质问题, 使共价键理论从典型的L
Resonating–valence-bond theory of phase transitions and superconductivity inLa2CuO4-based compounds 来自 dx.doi.org 喜欢 0 阅读量: 86 作者: P.,W.,Anderson,G.,Baskaran,Z.,Zou,T.,Hsu 摘要: We identify the mysterious high-T ''twitch'' transition in La2CuO4 with the mean-field ...
With the help of valence bond theory (VBT) , explain hybridisation geometry and magnetic behaviour of (NiCl4)2− complex . View Solution Write the basic postulates of Werner's theory. View Solution Recommended Questions Valence bond Theory (VBT)||Class Illustrations on Werner's Theory 48:56...
Theory of hybrid atomic orbital is part of modern valence bond theory and a difficult point in inorganic chemistry teaching. 杂化轨道理论是现代价键理论的一部分,也是大学无机化学教学的一个难点。 www.chemyq.com 2. Valence-bond theory was formed on the basis of the classical ideas of valence bond...
The main postulates of this theory are as follows: * A covalent bond is formed by the overlapping of two half filled valence atomic orbitals of two different atoms. * The electrons in the overlapping orbitals get paired and confined between the nuclei of two atoms. ...